Can XnView show the images of all the sub folders of a folder?

[Elk]

Can XnView show the images of all the sub folders of a folder? E.g. "folder a" is open (its images are shown in Xn), "folder a" has sub foders "b", "c" and these sub folder further sub folders and so on. How could Xn show them (together with the ones of "folder a"?

[xnview]

you have 'show files in subfolder' item toolbar

[Elk]

Er, what? Sorry, could you tell me how I can get there, where / what it is?

[xnview]

001.png

[Elk]

Great, many thanks!